Home / 231,259.04-319,189-140,595.84

Finding the Fourth Proportional to 231,259.04, 319,189 and 140,595.84

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Solution

The fourth proportional to 231,259.04, 319,189 and 140,595.84 is: 194,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,259.04 : 319,189 = 140,595.84 : x
  2. Step 2: Convert to fraction form
    231,259.04/319,189 = 140,595.84/x
  3. Step 3: Cross multiply
    231,259.04x = 319,189 × 140,595.84
  4. Step 4: Simplify right side
    231,259.04x = 44,876,645,573.76
  5. Step 5: Solve for x
    x = 44,876,645,573.76/231,259.04
  6. Step 6: Final answer
    x = 194,053.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.